Alexander Graham Bell: Voice of Invention
- Episode aired Aug 6, 1996
- TV-14
- 44m
His drive to help his deaf mother communicate led to one of the most important inventions of the 20th century.His drive to help his deaf mother communicate led to one of the most important inventions of the 20th century.His drive to help his deaf mother communicate led to one of the most important inventions of the 20th century.